{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2225884fcd8d4d35f1e2f3220fa16e7d1dc91a2c6522dd8f4c2ff999ec68b693",
    "signature": "0xb6f3d224e9c26fcda8275f18c507359d32cdecb715c82a26c68930dd193b23004715f02d5646fbf93670f593d08d3b5e911babbd71cf044cd9ef5ed5d446dae01c",
    "signer": "0xF69754Ca14E7B445C67e0d7ea25d62702E14F4C6",
    "userId": "479927646"
  }
}